06158516 is referenced by 74 patents and cites 10 patents.

Method and apparatus for drilling, completion, well workovers and well control, combining an integrated lifting unit and a coiled tubing unit, the method and apparatus permit running jointed pipe and coil tubing in combination, and standing multiple joints of pipe near the unit. The invention combines a hydraulic pipe hoisting system, pipe handling systems and pipe racking containment apparatus. A hydraulic workover jack is combined with a multifunction injector head and a standpipe for fluid circulation. The invention may also include a rotary table for rotating pipe and/or a rotating power swivel to allow fluid circulation during pipe rotation. Also included are a gin pole, a winching system for jointed pipe, and a traveling head with traveling slips and stationary slips to allow pipe movement in the well. Hydraulic systems allow insertion and extraction of tools in a work string. The apparatus includes spoolable drill pipe including a connector, multi-section reel with core, connection to reel for fluid circulation, reel drive mechanism and a pipe pulling capability.

Title
Combined drilling apparatus and method
Application Number
9/203838
Publication Number
6158516
Application Date
December 2, 1998
Publication Date
December 12, 2000
Inventor
Charles C
Houston
TX, US
Leslie D
Houston
TX, US
Michael L
Banquete
TX, US
Agent
Windstead Sechrest & Minick P C
Agent
Robert C Shaddox
Assignee
Cudd Pressure Control
TX, US
IPC
E21B 19/08
View Original Source